diff --git a/pom.xml b/pom.xml
index d003469..037eb50 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>org.mybatis.spring.boot</groupId>
             <artifactId>mybatis-spring-boot-starter</artifactId>
-            <version>2.1.0</version>
+            <version>2.1.7.RELEASE</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
         <dependency>
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.59</version>
+            <version>8.0.17</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -56,17 +56,17 @@
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger2</artifactId>
-            <version>2.8.0</version>
+            <version>2.7.0</version>
         </dependency>
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger-ui</artifactId>
-            <version>2.8.0</version>
+            <version>2.10.0</version>
         </dependency>
         <dependency>
             <groupId>com.github.pagehelper</groupId>
             <artifactId>pagehelper-spring-boot-starter</artifactId>
-            <version>1.2.10</version>
+            <version>1.4.7</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
         <dependency>